JP7244537B2 - 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法 - Google Patents

即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法 Download PDF

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JP7244537B2
JP7244537B2 JP2020554473A JP2020554473A JP7244537B2 JP 7244537 B2 JP7244537 B2 JP 7244537B2 JP 2020554473 A JP2020554473 A JP 2020554473A JP 2020554473 A JP2020554473 A JP 2020554473A JP 7244537 B2 JP7244537 B2 JP 7244537B2
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key
transaction
computer
public
secret key
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JP2021520732A (ja
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トレヴェサン，トーマス
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nChain Holdings Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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    • G06Q20/00—Payment architectures, schemes or protocols
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    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
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    • H04L9/3218—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
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    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/20—Point-of-sale [POS] network systems
    • G06Q20/204—Point-of-sale [POS] network systems comprising interface for record bearing medium or carrier for electronic funds transfer or payment credit
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
    • G06Q20/326—Payment applications installed on the mobile devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2220/00—Business processing using cryptography
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • H—ELECTRICITY
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    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3252—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes

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  • Mathematical Optimization (AREA)
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  • Pure & Applied Mathematics (AREA)
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  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
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JP2020554473A 2018-04-13 2019-03-25 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法 Active JP7244537B2 (ja)

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JP2023036708A JP7451797B2 (ja) 2018-04-13 2023-03-09 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法
JP2024033812A JP2024073505A (ja) 2018-04-13 2024-03-06 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法

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GB1806112.7 2018-04-13
GBGB1806112.7A GB201806112D0 (en) 2018-04-13 2018-04-13 Computer-implemented system and method
PCT/IB2019/052398 WO2019197926A1 (en) 2018-04-13 2019-03-25 Computer-implemented system and method suitable for increasing the security of instant off-line blockchain transactions

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JP2023036708A Division JP7451797B2 (ja) 2018-04-13 2023-03-09 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法

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JP2021520732A JP2021520732A (ja) 2021-08-19
JP7244537B2 true JP7244537B2 (ja) 2023-03-22

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JP2023036708A Active JP7451797B2 (ja) 2018-04-13 2023-03-09 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法
JP2024033812A Pending JP2024073505A (ja) 2018-04-13 2024-03-06 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法

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JP2024033812A Pending JP2024073505A (ja) 2018-04-13 2024-03-06 即時オフラインのブロックチェイントランザクションのセキュリティを高めるのに適しているコンピュータにより実装されるシステム及び方法

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US (1) US20210150522A1 (zh)
EP (2) EP4236188A3 (zh)
JP (3) JP7244537B2 (zh)
KR (1) KR20200141502A (zh)
CN (1) CN111971930A (zh)
GB (1) GB201806112D0 (zh)
SG (1) SG11202008752TA (zh)
TW (1) TWI818005B (zh)
WO (1) WO2019197926A1 (zh)

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CN112288434B (zh) * 2020-11-20 2023-07-25 网易（杭州）网络有限公司 隐私交易方法、装置、零知识证明***和隐私交易架构模型
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CN113393225B (zh) * 2021-06-30 2022-10-28 杭州链网科技有限公司 数字货币加密支付方法及***
CN113592469A (zh) * 2021-08-02 2021-11-02 杭州复杂美科技有限公司 基于零知识证明的红包处理方法、计算机设备和存储介质
CN113592651B (zh) * 2021-08-02 2023-05-30 杭州复杂美科技有限公司 延时交易方法、计算机设备和存储介质
KR102582974B1 (ko) * 2021-08-19 2023-09-25 한양대학교 산학협력단 영지식 증명 기반의 전방향 안전 서명 방법 및 서명 결합 방법
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CN116757849B (zh) * 2023-08-14 2023-10-20 中资科技(江苏)有限公司 基于区块链的资产管理***及方法

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